Alt Beer
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 Posted:
Thu Oct 27, 2005 12:35 am Post subject:
Re: RACAL 9087 |
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"PATRICK" <f6iib@free.fr> wrote in message
news:7c72eb6630d18c7a546a87a33de@news.free.fr...
| Quote: | I am looking for the RACAL 9087 service and user manuals
regards
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If you are trying to repair a 9087 you have a big problem.
The 9087 service manual has no technical description or schematics for the
RF section just block diagrams with very little information. The manual
states that the RF circuitry is in sealed units which should be replaced in
the event of failure.
Signature analysis is used to determine which module is faulty and that is
as far as it goes. You are expected to get a replacement module from
Racal. Attenuator levels are held in ROM. Racal say if you open any of the
sealed units the output levels will be off and the only way back is with
Racal software and test fixture to recalibrate. |
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